A Practical Handbook on the Erection and Running of Small Installations, with Particulars of the Cost of Plant and Working. By J. H. Knight. Second Edition, Revised. Crown 8vo, wrapper.

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“The book contains excellent advice and many practical hints for the help of those who wish to light their own houses.”—Building News.

ELECTRIC LIGHTING (ELEMENTARY PRINCIPLES OF).

By Alan A. Campbell Swinton, M. Inst. C.E., M. Inst. E.E. Fourth Edition, Revised. With 16 Illustrations. Crown 8vo, cloth.

[Just Published. 1/6

“Any one who desires a short and thoroughly clear exposition of the elementary principles of electric lighting cannot do better than read this little work.”—Bradford Observer.

DYNAMIC ELECTRICITY AND MAGNETISM.

By Philip Atkinson, A.M., Ph.D., Author of “Elements of Static Electricity,” &c. Crown 8vo, 417 pp., with 120 Illustrations, cloth

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